Organization and Summary of Significant Accounting Policies (Tables)

6 Months Ended

Jun. 30, 2019

Organization, Consolidation and Presentation of Financial Statements [Abstract]

Weighted Average Number of Shares Outstanding and Income Per Share

The calculation of the weighted average number of shares outstanding and earnings per share are as follows (in thousands except per share data):

	Three Months Ended June 30,				Six Months Ended June 30,
	2019		2018		2019		2018
Numerator for basic and diluted earnings per share:
Net income	$	738	$	8,485	$	7,157	$	21,411
Denominator:
Weighted average shares outstanding	59,187		55,527		59,051		54,330
Dilutive effect of stock-based awards	813		1,527		825		1,562
Diluted weighted average shares outstanding	60,000		57,054		59,876		55,892
Anti-dilutive stock-based awards excluded	12,056		3,023		12,111		1,533
Net income per common share:
Basic	$	0.01	$	0.15	$	0.12	$	0.39
Diluted	$	0.01	$	0.15	$	0.12	$	0.38

Summary of Changes in Estimated Product Warranty Liabilities

Changes in our estimated product warranty liabilities were as follows (in thousands):

	Six Months Ended June 30,
	2019			2018
Balance, beginning of period	$	898		$	644
Utilization of accrual	(250		)	(149		)
Warranty expense	634			10
Balance, end of period	$	1,282		$	505

Adjustments to Opening Balance Sheet

The adjustments to the opening balance sheet were as follows (in thousands):

	December 31, 2018		Impact of Adoption of Topic 842 on Opening Balance Sheet			January 1, 2019
	(As reported)					(As adjusted)
Consolidated Balance Sheet Data:
Other assets	$	22,999	$	12,483		$	35,482
Total assets	719,540		12,483			732,023
						—
Accrued liabilities	41,092		(1,138		)	39,954
Other current liabilities	37		3,588			3,625
Total current liabilities	166,011		2,450			168,461
Other long-term liabilities	5,704		10,033			15,737
Total liabilities	252,216		12,483			264,699
Total liabilities and stockholders' equity	719,540		12,483			732,023